My bad, I didn't install linux-image-extra from ubuntu updates. In fact 3.19.0-16 unpatched is running fine with this package.
But this makes stranger the fact that your 3 line patch makes my computer unstable but at the same time let the bluetooth + the whole stuff work correctly on another kernel after reboot. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1397885 Title: [Atheros AR9462] Bluetooth looks activated but cannot be used To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1397885/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs